单词	expansion fastener
释义	DictionarySeeexpansion bolt expansion fastener expansion bolt expansion bolts An anchoring device having an expandable socket that swells as a bolt is tightened into it; used in masonry walls for attaching timber, etc.
随便看	transfiguring transfinite transfinite cardinal transfinite cardinal number transfinite cardinal numbers transfinite induction transfinite number transfinite numbers transfinite ordinal transfinite ordinal number transfinite ordinal numbers transfinite ordinals transfinity transfix transfixation screw transfixed transfixedly transfixes transfixing transfixion transfixions transfixion suture transflash transflash memory module transflective

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